... kind of Nozzle, Plunger and Outlet valve, such as S type, P type (short and long spray) which are available to match ... has beautiful shape, good performance, reliable operation and high cost performance characteristics, and its product categories of three dual pieces ... developed more than 6000, which include S type, SN type, SM type, SD model, P type, PN type, PD type, DN type, 178 F, 186 F, 186 ...